// Copyright (c) 2007-2025 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 2.0 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2.  For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// info@rabbitmq.com.


package com.rabbitmq.client;

import java.io.IOException;

/**
 * Implement this interface in order to be notified of failed
 * deliveries when basicPublish is called with "mandatory" or
 * "immediate" flags set.
 * For a lambda-oriented syntax, use {@link ReturnCallback}.
 * @see Channel#basicPublish
 */
public interface ReturnListener {
    void handleReturn(int replyCode,
            String replyText,
            String exchange,
            String routingKey,
            AMQP.BasicProperties properties,
            byte[] body)
        throws IOException;
}
